[R] Casting Date to char

[Duncan Murdoch]

On 05/09/2018 4:17 PM, Rich Shepard wrote:
>     I've read the help for as.Date: "Date Conversion Functions to and from
> Character" but the method as.character(x ...) isn't working for me:
> 
>> str(dp)
> 'data.frame':	113569 obs. of  2 variables:
>    $ rainfall.sampdate: Date, format: "2005-01-01" "2005-01-02" ...
>    $ rainfall.prcp    : num  0.59 0.08 0.1 0 0 0.02 0.05 0.1 0 0.02 ...
>> dp$sampdate <- as.Character(dp$sampdate)
> Error in `$<-.data.frame`(`*tmp*`, sampdata, value = character(0)) :
>     replacement has 0 rows, data has 113569

This might just be a typo in your message, but as.character() is the 
function you want, not as.Character().

The other typo or error above is that you are trying to convert 
dp$sampdate, but the dataframe has no column with that name according to 
the lines above.

Duncan Murdoch

> 
>     I don't understand the error message and want to learn what I've done
> incorrectly.
> 
> Regards,
> 
> Rich
> 
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